QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h1uh
USGS usp000h1uh
25 Sept 2009, 00:02
187 km SW of Khovd, Mongolia
A magnitude 5 mb earthquake at 16.8 km depth.
Published location
Where is 187 km SW of Khovd, Mongolia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
46.636000, 90.198000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
usp000h1uh
Coordinates
46.636, 90.198
Network
us
Significance
385